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EnglandComputer ScienceQuick questions
3.3 Fundamentals of data representation
Quick questions on Units of information: bits, bytes and file sizes - AQA GCSE Computer Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
State how many bits are in a byte. [1 mark]
What is q2?Show answer
Calculate the file size in bytes of a 50 by 40 pixel image with a colour depth of 4 bits per pixel. [2 marks]
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